How is this still a thing? It makes playing the game miserable when you get matched with people in duty finder who you've blacklisted for harassing you. The only benefit is that you can't see their comments but that also means being unable to see remarks on strategy or calling positionals. It basically makes playing frustrating, pointless and miserable when you're trying to complete trials or dungeons for clears or loot but you're screwed from the start with a party that won't work together.